720072

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 1991340

約数和(自身を除く): 1271268

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 73, 137, 146, 219, 274, 292, 411, 438, 548, 584, 657, 822, 876, 1096, 1233, 1314, 1644, 1752, 2466, 2628, 3288, 4932, 5256, 9864, 10001, 20002, 30003, 40004, 60006, 80008, 90009, 120012, 180018, 240024, 360036, 720072]

約数ペア:

[(1, 720072), (2, 360036), (3, 240024), (4, 180018), (6, 120012), (8, 90009), (9, 80008), (12, 60006), (18, 40004), (24, 30003), (36, 20002), (72, 10001), (73, 9864), (137, 5256), (146, 4932), (219, 3288), (274, 2628), (292, 2466), (411, 1752), (438, 1644), (548, 1314), (584, 1233), (657, 1096), (822, 876)]